Top rear surface of razor head



FIG. 1 is a top view of a top rear surface of a razor head embodying our new design (unclaimed environmental structure being shown in broken lines);

FIG. 2 is a front view thereof (unclaimed environmental structure being shown in broken lines);

FIG. 3 is a perspective view thereof (unclaimed environmental structure being shown in broken lines);

FIG. 4 is a side view thereof (unclaimed environmental structure being shown in broken lines); the opposite side having identical appearance; and,

FIG. 5 is a rear view thereof (unclaimed environmental structure being shown in broken lines).

The broken line showings of razor head portions and coupling structure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a top rear surface of razor head, as shown and described. 